Location History:
- Kawachinagano, JP (1992 - 1994)
- Osaka, JP (2006 - 2009)
Company Filing History:
7 out of 11 
4 out of 1,716 
Years Active: 1992-2009
Title: Takashi Tarumi: Innovator in Optical Element Manufacturing
Introduction
Takashi Tarumi is a prominent inventor based in Osaka, Japan, known for his significant contributions to the field of optical elements. With a total of seven patents to his name, he has developed innovative methods that enhance the manufacturing processes of optical devices.
Latest Patents
One of Tarumi's latest patents is a method for manufacturing an optical element of refractive index distribution type. This invention provides a technique for producing a graded refractive index optical element, allowing for the easy formation of a graded refractive index distribution in a glass substrate without requiring a specific treatment atmosphere or the use of molten salt. The process involves applying a paste containing a copper compound, an organic resin, and an organic solvent to a glass substrate that contains an alkali metal component, followed by heat treatment at a temperature below the softening point of the glass substrate.
Another notable patent is a process for producing an optical device. This method eliminates the need for high vacuum conditions, which are typically required in thin film deposition methods, and also avoids the use of molten salt. The process includes applying a paste containing various alkali metal compounds, an organic resin, and an organic solvent to a glass substrate, followed by heat treatment at a temperature below the softening temperature of the glass substrate.
Career Highlights
Throughout his career, Takashi Tarumi has worked with reputable organizations, including Isuzu Glass Company, Ltd. and the National Institute of Advanced Industrial Science and Technology. His experience in these institutions has contributed to his expertise in optical manufacturing processes.
Collaborations
Some of his notable coworkers include Toshihiko Einishi and Tatsuya Suetsugu, who have collaborated with him on various projects in the field of optical technology.
Conclusion
Takashi Tarumi's innovative approaches to manufacturing optical elements have made a significant impact in the industry. His patents reflect a commitment to advancing technology in optical devices, showcasing his role as a key inventor in this field.